Exactly two years ago on May 18th, Chevrolet published a press release about how the 2019 Silverado "leads the industry with Dynamic Fuel Management." The problem with it, however, is that many ...

Not everyone likes the driving experience that comes with Dynamic Fuel Management (DFM) or Active Fuel Management (AFM). Some drivers claim turning off cylinders while driving with the goal of ...

It's why some owners resort to an AFM disabler (or AFM delete kit) to let the V6 or V8 run in full-cylinder mode and cancel the engine's tendency to switch off half the cylinders. An AFM disabler ...

In fact, while the OBDDFM AFM/DFM Disable Device sold on Amazon for $53.99 does work as it claims, it will actually make your GM vehicle use more gas. This device shuts off the Active and Dynamic ...

Lack of enthusiasm for the technology is evident, with many products available that claim to be able to disable AFM ... LS3 have neither AFM nor the latest version, called DFM (Dynamic Fuel ...

Now, GM Authority is taking a closer look at which models will keep AFM / DFM, and which models will not. Before we launch into this, it’s worth providing a little background info on what Active ...

“Due to the micro controller shortage, the components that control AFM/DFM in the engine control module (ECM) have been removed,” GM spokesperson Michelle Malcho told Autoblog. She also ...